1/*
2 * Copyright © 2021 Google
3 *
4 * Permission is hereby granted, free of charge, to any person obtaining a
5 * copy of this software and associated documentation files (the "Software"),
6 * to deal in the Software without restriction, including without limitation
7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8 * and/or sell copies of the Software, and to permit persons to whom the
9 * Software is furnished to do so, subject to the following conditions:
10 *
11 * The above copyright notice and this permission notice (including the next
12 * paragraph) shall be included in all copies or substantial portions of the
13 * Software.
14 *
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
18 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
19 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
20 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
21 * IN THE SOFTWARE.
22 */
23
24#include "radv_meta.h"
25#include "radv_private.h"
26
27#include "nir_builder.h"
28
29static void
30radv_get_sequence_size(const struct radv_indirect_command_layout *layout,
31                       const struct radv_graphics_pipeline *pipeline, uint32_t *cmd_size,
32                       uint32_t *upload_size)
33{
34   *cmd_size = 0;
35   *upload_size = 0;
36
37   if (layout->bind_vbo_mask) {
38      *upload_size += 16 * util_bitcount(pipeline->vb_desc_usage_mask);
39
40     /* One PKT3_SET_SH_REG for emitting VBO pointer (32-bit) */
41      *cmd_size += 3 * 4;
42   }
43
44   if (layout->push_constant_mask) {
45      bool need_copy = false;
46
47      for (unsigned i = 0; i < ARRAY_SIZE(pipeline->base.shaders); ++i) {
48         if (!pipeline->base.shaders[i])
49            continue;
50
51         struct radv_userdata_locations *locs = &pipeline->base.shaders[i]->info.user_sgprs_locs;
52         if (locs->shader_data[AC_UD_PUSH_CONSTANTS].sgpr_idx >= 0) {
53            /* One PKT3_SET_SH_REG for emitting push constants pointer (32-bit) */
54            *cmd_size += 3 * 4;
55            need_copy = true;
56         }
57         if (locs->shader_data[AC_UD_INLINE_PUSH_CONSTANTS].sgpr_idx >= 0)
58            /* One PKT3_SET_SH_REG writing all inline push constants. */
59            *cmd_size += (2 + locs->shader_data[AC_UD_INLINE_PUSH_CONSTANTS].num_sgprs) * 4;
60      }
61      if (need_copy)
62         *upload_size +=
63            align(pipeline->base.push_constant_size + 16 * pipeline->base.dynamic_offset_count, 16);
64   }
65
66   if (layout->binds_index_buffer) {
67      /* Index type write (normal reg write) + index buffer base write (64-bits, but special packet
68       * so only 1 word overhead) + index buffer size (again, special packet so only 1 word
69       * overhead)
70       */
71      *cmd_size += (3 + 3 + 2) * 4;
72   }
73
74   if (layout->indexed) {
75      /* userdata writes + instance count + indexed draw */
76      *cmd_size += (5 + 2 + 5) * 4;
77   } else {
78      /* userdata writes + instance count + non-indexed draw */
79      *cmd_size += (5 + 2 + 3) * 4;
80   }
81
82   if (layout->binds_state) {
83      /* One PKT3_SET_CONTEXT_REG (PA_SU_SC_MODE_CNTL) */
84      *cmd_size += 3 * 4;
85
86      if (pipeline->base.device->physical_device->rad_info.has_gfx9_scissor_bug) {
87         /* 1 reg write of 4 regs + 1 reg write of 2 regs per scissor */
88         *cmd_size += (8 + 2 * MAX_SCISSORS) * 4;
89      }
90   }
91}
92
93static uint32_t
94radv_align_cmdbuf_size(uint32_t size)
95{
96   return align(MAX2(1, size), 256);
97}
98
99uint32_t
100radv_get_indirect_cmdbuf_size(const VkGeneratedCommandsInfoNV *cmd_info)
101{
102   VK_FROM_HANDLE(radv_indirect_command_layout, layout, cmd_info->indirectCommandsLayout);
103   VK_FROM_HANDLE(radv_pipeline, pipeline, cmd_info->pipeline);
104   struct radv_graphics_pipeline *graphics_pipeline = radv_pipeline_to_graphics(pipeline);
105
106   uint32_t cmd_size, upload_size;
107   radv_get_sequence_size(layout, graphics_pipeline, &cmd_size, &upload_size);
108   return radv_align_cmdbuf_size(cmd_size * cmd_info->sequencesCount);
109}
110
111enum radv_dgc_token_type {
112   RADV_DGC_INDEX_BUFFER,
113   RADV_DGC_DRAW,
114   RADV_DGC_INDEXED_DRAW,
115};
116
117struct radv_dgc_token {
118   uint16_t type; /* enum radv_dgc_token_type, but making the size explicit */
119   uint16_t offset; /* offset in the input stream */
120   union {
121      struct {
122         uint16_t vtx_base_sgpr;
123      } draw;
124      struct {
125         uint16_t index_size;
126         uint16_t vtx_base_sgpr;
127         uint32_t max_index_count;
128      } indexed_draw;
129   };
130};
131
132struct radv_dgc_params {
133   uint32_t cmd_buf_stride;
134   uint32_t cmd_buf_size;
135   uint32_t upload_stride;
136   uint32_t upload_addr;
137   uint32_t sequence_count;
138   uint32_t stream_stride;
139
140   /* draw info */
141   uint16_t draw_indexed;
142   uint16_t draw_params_offset;
143   uint16_t base_index_size;
144   uint16_t vtx_base_sgpr;
145   uint32_t max_index_count;
146
147   /* bind index buffer info. Valid if base_index_size == 0 && draw_indexed */
148   uint16_t index_buffer_offset;
149
150   /* Top bit is DGC_DYNAMIC_VERTEX_INPUT */
151   uint8_t vbo_cnt;
152
153   uint8_t const_copy;
154
155   /* Which VBOs are set in this indirect layout. */
156   uint32_t vbo_bind_mask;
157
158   uint16_t vbo_reg;
159   uint16_t const_copy_size;
160
161   uint64_t push_constant_mask;
162
163   uint32_t ibo_type_32;
164   uint32_t ibo_type_8;
165
166   uint16_t push_constant_shader_cnt;
167
168   uint16_t emit_state;
169   uint32_t pa_su_sc_mode_cntl_base;
170   uint16_t state_offset;
171   uint16_t scissor_count;
172   uint16_t scissor_offset; /* in parameter buffer. */
173};
174
175enum {
176   DGC_USES_DRAWID = 1u << 14,
177   DGC_USES_BASEINSTANCE = 1u << 15,
178};
179
180enum {
181   DGC_DYNAMIC_STRIDE = 1u << 15,
182};
183
184enum {
185   DGC_DYNAMIC_VERTEX_INPUT = 1u << 7,
186};
187
188enum {
189   DGC_DESC_STREAM,
190   DGC_DESC_PREPARE,
191   DGC_DESC_PARAMS,
192   DGC_DESC_COUNT,
193   DGC_NUM_DESCS,
194};
195
196struct dgc_cmdbuf {
197   nir_ssa_def *descriptor;
198   nir_variable *offset;
199};
200
201static void
202dgc_emit(nir_builder *b, struct dgc_cmdbuf *cs, nir_ssa_def *value)
203{
204   assert(value->bit_size >= 32);
205   nir_ssa_def *offset = nir_load_var(b, cs->offset);
206   nir_store_ssbo(b, value, cs->descriptor, offset,.access = ACCESS_NON_READABLE);
207   nir_store_var(b, cs->offset, nir_iadd_imm(b, offset, value->num_components * value->bit_size / 8), 0x1);
208}
209
210
211#define load_param32(b, field)                                                                     \
212   nir_load_push_constant((b), 1, 32, nir_imm_int((b), 0),                                         \
213                          .base = offsetof(struct radv_dgc_params, field), .range = 4)
214
215#define load_param16(b, field)                                                                     \
216   nir_ubfe(                                                                                       \
217      (b),                                                                                         \
218      nir_load_push_constant((b), 1, 32, nir_imm_int((b), 0),                                      \
219                             .base = (offsetof(struct radv_dgc_params, field) & ~3), .range = 4),  \
220      nir_imm_int((b), (offsetof(struct radv_dgc_params, field) & 2) * 8), nir_imm_int((b), 16))
221
222#define load_param8(b, field)                                                                      \
223   nir_ubfe(                                                                                       \
224      (b),                                                                                         \
225      nir_load_push_constant((b), 1, 32, nir_imm_int((b), 0),                                      \
226                             .base = (offsetof(struct radv_dgc_params, field) & ~3), .range = 4),  \
227      nir_imm_int((b), (offsetof(struct radv_dgc_params, field) & 3) * 8), nir_imm_int((b), 8))
228
229#define load_param64(b, field)                                                                     \
230   nir_pack_64_2x32((b), nir_load_push_constant((b), 2, 32, nir_imm_int((b), 0),                   \
231                          .base = offsetof(struct radv_dgc_params, field), .range = 8))
232
233static nir_ssa_def *
234nir_pkt3(nir_builder *b, unsigned op, nir_ssa_def *len)
235{
236   len = nir_iand_imm(b, len, 0x3fff);
237   return nir_ior_imm(b, nir_ishl_imm(b, len, 16), PKT_TYPE_S(3) | PKT3_IT_OPCODE_S(op));
238}
239
240static void
241dgc_emit_userdata_vertex(nir_builder *b, struct dgc_cmdbuf *cs, nir_ssa_def *vtx_base_sgpr,
242                         nir_ssa_def *first_vertex, nir_ssa_def *first_instance, nir_ssa_def *drawid)
243{
244   vtx_base_sgpr = nir_u2u32(b, vtx_base_sgpr);
245   nir_ssa_def *has_drawid =
246      nir_test_mask(b, vtx_base_sgpr, DGC_USES_DRAWID);
247   nir_ssa_def *has_baseinstance =
248      nir_test_mask(b, vtx_base_sgpr, DGC_USES_BASEINSTANCE);
249
250   nir_ssa_def *pkt_cnt = nir_imm_int(b, 1);
251   pkt_cnt = nir_bcsel(b, has_drawid, nir_iadd_imm(b, pkt_cnt, 1), pkt_cnt);
252   pkt_cnt = nir_bcsel(b, has_baseinstance, nir_iadd_imm(b, pkt_cnt, 1), pkt_cnt);
253
254   nir_ssa_def *values[5] = {
255      nir_pkt3(b, PKT3_SET_SH_REG, pkt_cnt), nir_iand_imm(b, vtx_base_sgpr, 0x3FFF), first_vertex,
256      nir_imm_int(b, PKT3_NOP_PAD),          nir_imm_int(b, PKT3_NOP_PAD),
257   };
258
259   values[3] = nir_bcsel(b, nir_ior(b, has_drawid, has_baseinstance),
260                         nir_bcsel(b, has_drawid, drawid, first_instance), values[4]);
261   values[4] = nir_bcsel(b, nir_iand(b, has_drawid, has_baseinstance), first_instance, values[4]);
262
263   dgc_emit(b, cs, nir_vec(b, values, 5));
264}
265
266static void
267dgc_emit_instance_count(nir_builder *b, struct dgc_cmdbuf *cs, nir_ssa_def *instance_count)
268{
269   nir_ssa_def *values[2] = {nir_imm_int(b, PKT3(PKT3_NUM_INSTANCES, 0, false)), instance_count};
270
271   dgc_emit(b, cs, nir_vec(b, values, 2));
272}
273
274static void
275dgc_emit_draw_indexed(nir_builder *b, struct dgc_cmdbuf *cs, nir_ssa_def *index_offset,
276                      nir_ssa_def *index_count, nir_ssa_def *max_index_count)
277{
278   nir_ssa_def *values[5] = {nir_imm_int(b, PKT3(PKT3_DRAW_INDEX_OFFSET_2, 3, false)),
279                             max_index_count, index_offset, index_count,
280                             nir_imm_int(b, V_0287F0_DI_SRC_SEL_DMA)};
281
282   dgc_emit(b, cs, nir_vec(b, values, 5));
283}
284
285static void
286dgc_emit_draw(nir_builder *b, struct dgc_cmdbuf *cs, nir_ssa_def *vertex_count)
287{
288   nir_ssa_def *values[3] = {nir_imm_int(b, PKT3(PKT3_DRAW_INDEX_AUTO, 1, false)), vertex_count,
289                             nir_imm_int(b, V_0287F0_DI_SRC_SEL_AUTO_INDEX)};
290
291   dgc_emit(b, cs, nir_vec(b, values, 3));
292}
293
294static void
295build_dgc_buffer_tail(nir_builder *b, nir_ssa_def *sequence_count)
296{
297   nir_ssa_def *global_id = get_global_ids(b, 1);
298
299   nir_ssa_def *cmd_buf_stride = load_param32(b, cmd_buf_stride);
300   nir_ssa_def *cmd_buf_size = load_param32(b, cmd_buf_size);
301
302   nir_push_if(b, nir_ieq_imm(b, global_id, 0));
303   {
304      nir_ssa_def *cmd_buf_tail_start = nir_imul(b, cmd_buf_stride, sequence_count);
305
306      nir_variable *offset =
307         nir_variable_create(b->shader, nir_var_shader_temp, glsl_uint_type(), "offset");
308      nir_store_var(b, offset, cmd_buf_tail_start, 0x1);
309
310      nir_ssa_def *dst_buf = radv_meta_load_descriptor(b, 0, DGC_DESC_PREPARE);
311      nir_push_loop(b);
312      {
313         nir_ssa_def *curr_offset = nir_load_var(b, offset);
314         const unsigned MAX_PACKET_WORDS = 0x3FFC;
315
316         nir_push_if(b, nir_ieq(b, curr_offset, cmd_buf_size));
317         {
318            nir_jump(b, nir_jump_break);
319         }
320         nir_pop_if(b, NULL);
321
322         nir_ssa_def *packet_size = nir_isub(b, cmd_buf_size, curr_offset);
323         packet_size = nir_umin(b, packet_size, nir_imm_int(b, MAX_PACKET_WORDS * 4));
324
325         nir_ssa_def *len = nir_ushr_imm(b, packet_size, 2);
326         len = nir_iadd_imm(b, len, -2);
327         nir_ssa_def *packet = nir_pkt3(b, PKT3_NOP, len);
328
329         nir_store_ssbo(b, packet, dst_buf, curr_offset, .access = ACCESS_NON_READABLE);
330         nir_store_var(b, offset, nir_iadd(b, curr_offset, packet_size), 0x1);
331      }
332      nir_pop_loop(b, NULL);
333   }
334   nir_pop_if(b, NULL);
335}
336
337static nir_shader *
338build_dgc_prepare_shader(struct radv_device *dev)
339{
340   nir_builder b = radv_meta_init_shader(dev, MESA_SHADER_COMPUTE, "meta_dgc_prepare");
341   b.shader->info.workgroup_size[0] = 64;
342
343   nir_ssa_def *global_id = get_global_ids(&b, 1);
344
345   nir_ssa_def *sequence_id = global_id;
346
347   nir_ssa_def *cmd_buf_stride = load_param32(&b, cmd_buf_stride);
348   nir_ssa_def *sequence_count = load_param32(&b, sequence_count);
349   nir_ssa_def *stream_stride = load_param32(&b, stream_stride);
350
351   nir_variable *count_var = nir_variable_create(b.shader, nir_var_shader_temp, glsl_uint_type(), "sequence_count");
352   nir_store_var(&b, count_var, sequence_count, 0x1);
353
354   nir_push_if(&b, nir_ieq_imm(&b, sequence_count, UINT32_MAX));
355   {
356      nir_ssa_def *count_buf = radv_meta_load_descriptor(&b, 0, DGC_DESC_COUNT);
357      nir_ssa_def *cnt = nir_load_ssbo(&b, 1, 32, count_buf, nir_imm_int(&b, 0), .align_mul = 4);
358      nir_store_var(&b, count_var, cnt, 0x1);
359   }
360   nir_pop_if(&b, NULL);
361
362   sequence_count = nir_load_var(&b, count_var);
363
364   nir_push_if(&b, nir_ult(&b, sequence_id, sequence_count));
365   {
366      struct dgc_cmdbuf cmd_buf = {
367         .descriptor = radv_meta_load_descriptor(&b, 0, DGC_DESC_PREPARE),
368         .offset = nir_variable_create(b.shader, nir_var_shader_temp, glsl_uint_type(), "cmd_buf_offset"),
369      };
370      nir_store_var(&b, cmd_buf.offset, nir_imul(&b, global_id, cmd_buf_stride), 1);
371      nir_ssa_def *cmd_buf_end = nir_iadd(&b, nir_load_var(&b, cmd_buf.offset), cmd_buf_stride);
372
373      nir_ssa_def *stream_buf = radv_meta_load_descriptor(&b, 0, DGC_DESC_STREAM);
374      nir_ssa_def *stream_base = nir_imul(&b, sequence_id, stream_stride);
375
376      nir_variable *upload_offset =
377         nir_variable_create(b.shader, nir_var_shader_temp, glsl_uint_type(), "upload_offset");
378      nir_store_var(&b, upload_offset,
379                    nir_iadd(&b, load_param32(&b, cmd_buf_size),
380                             nir_imul(&b, load_param32(&b, upload_stride), sequence_id)),
381                    0x1);
382
383      nir_ssa_def *vbo_bind_mask = load_param32(&b, vbo_bind_mask);
384      nir_ssa_def *vbo_cnt = nir_iand_imm(&b, load_param8(&b, vbo_cnt), 0x7F);
385      nir_push_if(&b, nir_ine_imm(&b, vbo_bind_mask, 0));
386      {
387         nir_variable *vbo_idx =
388            nir_variable_create(b.shader, nir_var_shader_temp, glsl_uint_type(), "vbo_idx");
389         nir_store_var(&b, vbo_idx, nir_imm_int(&b, 0), 0x1);
390
391         nir_push_loop(&b);
392         {
393            nir_push_if(&b, nir_uge(&b, nir_load_var(&b, vbo_idx), vbo_cnt));
394            {
395               nir_jump(&b, nir_jump_break);
396            }
397            nir_pop_if(&b, NULL);
398
399            nir_ssa_def *vbo_offset = nir_imul_imm(&b, nir_load_var(&b, vbo_idx), 16);
400            nir_variable *vbo_data =
401               nir_variable_create(b.shader, nir_var_shader_temp, glsl_uvec4_type(), "vbo_data");
402
403            nir_ssa_def *param_buf = radv_meta_load_descriptor(&b, 0, DGC_DESC_PARAMS);
404            nir_store_var(&b, vbo_data,
405                          nir_load_ssbo(&b, 4, 32, param_buf, vbo_offset, .align_mul = 4), 0xf);
406
407            nir_ssa_def *vbo_override =
408               nir_ine_imm(&b,
409                       nir_iand(&b, vbo_bind_mask,
410                                nir_ishl(&b, nir_imm_int(&b, 1), nir_load_var(&b, vbo_idx))),
411                       0);
412            nir_push_if(&b, vbo_override);
413            {
414               nir_ssa_def *vbo_offset_offset =
415                  nir_iadd(&b, nir_imul_imm(&b, vbo_cnt, 16),
416                           nir_imul_imm(&b, nir_load_var(&b, vbo_idx), 8));
417               nir_ssa_def *vbo_over_data =
418                  nir_load_ssbo(&b, 2, 32, param_buf, vbo_offset_offset, .align_mul = 4);
419               nir_ssa_def *stream_offset = nir_iadd(
420                  &b, stream_base, nir_iand_imm(&b, nir_channel(&b, vbo_over_data, 0), 0x7FFF));
421               nir_ssa_def *stream_data =
422                  nir_load_ssbo(&b, 4, 32, stream_buf, stream_offset, .align_mul = 4);
423
424               nir_ssa_def *va = nir_pack_64_2x32(&b, nir_channels(&b, stream_data, 0x3));
425               nir_ssa_def *size = nir_channel(&b, stream_data, 2);
426               nir_ssa_def *stride = nir_channel(&b, stream_data, 3);
427
428               nir_ssa_def *vs_state_offset = nir_ubfe(&b, nir_channel(&b, vbo_over_data, 0), nir_imm_int(&b, 16), nir_imm_int(&b, 15));
429               va = nir_iadd(&b, va, nir_u2u64(&b, vs_state_offset));
430
431               nir_ssa_def *dyn_stride = nir_test_mask(&b, nir_channel(&b, vbo_over_data, 0), DGC_DYNAMIC_STRIDE);
432               nir_ssa_def *old_stride =
433                  nir_ubfe(&b, nir_channel(&b, nir_load_var(&b, vbo_data), 1), nir_imm_int(&b, 16),
434                           nir_imm_int(&b, 14));
435               stride = nir_bcsel(&b, dyn_stride, stride, old_stride);
436
437               nir_ssa_def *use_per_attribute_vb_descs =
438                  nir_test_mask(&b, nir_channel(&b, vbo_over_data, 0), 1u << 31);
439               nir_variable *num_records = nir_variable_create(b.shader, nir_var_shader_temp,
440                                                               glsl_uint_type(), "num_records");
441               nir_store_var(&b, num_records, size, 0x1);
442
443               nir_push_if(&b, use_per_attribute_vb_descs);
444               {
445                  nir_ssa_def *attrib_end = nir_ubfe(&b, nir_channel(&b, vbo_over_data, 1),
446                                                     nir_imm_int(&b, 16), nir_imm_int(&b, 16));
447                  nir_ssa_def *attrib_index_offset =
448                     nir_ubfe(&b, nir_channel(&b, vbo_over_data, 1), nir_imm_int(&b, 0),
449                              nir_imm_int(&b, 16));
450
451                  nir_push_if(&b, nir_ult(&b, nir_load_var(&b, num_records), attrib_end));
452                  {
453                     nir_store_var(&b, num_records, nir_imm_int(&b, 0), 0x1);
454                  }
455                  nir_push_else(&b, NULL);
456                  nir_push_if(&b, nir_ieq_imm(&b, stride, 0));
457                  {
458                     nir_store_var(&b, num_records, nir_imm_int(&b, 1), 0x1);
459                  }
460                  nir_push_else(&b, NULL);
461                  {
462                     nir_ssa_def *r = nir_iadd(
463                        &b,
464                        nir_iadd_imm(
465                           &b,
466                           nir_udiv(&b, nir_isub(&b, nir_load_var(&b, num_records), attrib_end),
467                                    stride),
468                           1),
469                        attrib_index_offset);
470                     nir_store_var(&b, num_records, r, 0x1);
471                  }
472                  nir_pop_if(&b, NULL);
473                  nir_pop_if(&b, NULL);
474
475                  nir_ssa_def *convert_cond =
476                     nir_ine_imm(&b, nir_load_var(&b, num_records), 0);
477                  if (dev->physical_device->rad_info.gfx_level == GFX9)
478                     convert_cond = nir_imm_bool(&b, false);
479                  else if (dev->physical_device->rad_info.gfx_level != GFX8)
480                     convert_cond =
481                        nir_iand(&b, convert_cond, nir_ieq_imm(&b, stride, 0));
482
483                  nir_ssa_def *new_records = nir_iadd(
484                     &b, nir_imul(&b, nir_iadd_imm(&b, nir_load_var(&b, num_records), -1), stride),
485                     attrib_end);
486                  new_records =
487                     nir_bcsel(&b, convert_cond, new_records, nir_load_var(&b, num_records));
488                  nir_store_var(&b, num_records, new_records, 0x1);
489               }
490               nir_push_else(&b, NULL);
491               {
492                  if (dev->physical_device->rad_info.gfx_level != GFX8) {
493                     nir_push_if(&b, nir_ine_imm(&b, stride, 0));
494                     {
495                        nir_ssa_def *r = nir_iadd(&b, nir_load_var(&b, num_records),
496                                                  nir_iadd_imm(&b, stride, -1));
497                        nir_store_var(&b, num_records, nir_udiv(&b, r, stride), 0x1);
498                     }
499                     nir_pop_if(&b, NULL);
500                  }
501               }
502               nir_pop_if(&b, NULL);
503
504               nir_ssa_def *rsrc_word3 = nir_channel(&b, nir_load_var(&b, vbo_data), 3);
505               if (dev->physical_device->rad_info.gfx_level >= GFX10) {
506                  nir_ssa_def *oob_select = nir_bcsel(
507                     &b, nir_ieq_imm(&b, stride, 0), nir_imm_int(&b, V_008F0C_OOB_SELECT_RAW),
508                     nir_imm_int(&b, V_008F0C_OOB_SELECT_STRUCTURED));
509                  rsrc_word3 = nir_iand_imm(&b, rsrc_word3, C_008F0C_OOB_SELECT);
510                  rsrc_word3 = nir_ior(&b, rsrc_word3, nir_ishl_imm(&b, oob_select, 28));
511               }
512
513               nir_ssa_def *va_hi = nir_iand_imm(&b, nir_unpack_64_2x32_split_y(&b, va), 0xFFFF);
514               stride = nir_iand_imm(&b, stride, 0x3FFF);
515               nir_ssa_def *new_vbo_data[4] = {nir_unpack_64_2x32_split_x(&b, va),
516                                               nir_ior(&b, nir_ishl_imm(&b, stride, 16), va_hi),
517                                               nir_load_var(&b, num_records), rsrc_word3};
518               nir_store_var(&b, vbo_data, nir_vec(&b, new_vbo_data, 4), 0xf);
519            }
520            nir_pop_if(&b, NULL);
521
522            /* On GFX9, it seems bounds checking is disabled if both
523             * num_records and stride are zero. This doesn't seem necessary on GFX8, GFX10 and
524             * GFX10.3 but it doesn't hurt.
525             */
526            nir_ssa_def *num_records = nir_channel(&b, nir_load_var(&b, vbo_data), 2);
527            nir_ssa_def *buf_va = nir_iand_imm(
528               &b, nir_pack_64_2x32(&b, nir_channels(&b, nir_load_var(&b, vbo_data), 0x3)),
529               (1ull << 48) - 1ull);
530            nir_push_if(&b,
531                        nir_ior(&b, nir_ieq_imm(&b, num_records, 0), nir_ieq_imm(&b, buf_va, 0)));
532            {
533               nir_ssa_def *use_dynamic_vertex_input =
534                  nir_test_mask(&b, load_param8(&b, vbo_cnt), DGC_DYNAMIC_VERTEX_INPUT);
535
536               nir_push_if(&b, use_dynamic_vertex_input);
537               {
538                  nir_ssa_def *new_vbo_data[4] = {
539                     nir_imm_int(&b, 0), nir_imm_int(&b, S_008F04_STRIDE(16)), nir_imm_int(&b, 0),
540                     nir_channel(&b, nir_load_var(&b, vbo_data), 3)};
541                  nir_store_var(&b, vbo_data, nir_vec(&b, new_vbo_data, 4), 0xf);
542               }
543               nir_push_else(&b, NULL);
544               {
545                  nir_ssa_def *new_vbo_data[4] = {nir_imm_int(&b, 0), nir_imm_int(&b, 0),
546                                                  nir_imm_int(&b, 0), nir_imm_int(&b, 0)};
547                  nir_store_var(&b, vbo_data, nir_vec(&b, new_vbo_data, 4), 0xf);
548               }
549               nir_pop_if(&b, NULL);
550            }
551            nir_pop_if(&b, NULL);
552
553            nir_ssa_def *upload_off = nir_iadd(&b, nir_load_var(&b, upload_offset), vbo_offset);
554            nir_store_ssbo(&b, nir_load_var(&b, vbo_data), cmd_buf.descriptor, upload_off, .access = ACCESS_NON_READABLE);
555            nir_store_var(&b, vbo_idx, nir_iadd_imm(&b, nir_load_var(&b, vbo_idx), 1), 0x1);
556         }
557         nir_pop_loop(&b, NULL);
558         nir_ssa_def *packet[3] = {
559            nir_imm_int(&b, PKT3(PKT3_SET_SH_REG, 1, 0)), load_param16(&b, vbo_reg),
560            nir_iadd(&b, load_param32(&b, upload_addr), nir_load_var(&b, upload_offset))};
561
562         dgc_emit(&b, &cmd_buf, nir_vec(&b, packet, 3));
563
564         nir_store_var(&b, upload_offset,
565                       nir_iadd(&b, nir_load_var(&b, upload_offset), nir_imul_imm(&b, vbo_cnt, 16)),
566                       0x1);
567      }
568      nir_pop_if(&b, NULL);
569
570
571      nir_ssa_def *push_const_mask = load_param64(&b, push_constant_mask);
572      nir_push_if(&b, nir_ine_imm(&b, push_const_mask, 0));
573      {
574         nir_ssa_def *const_copy = nir_ine_imm(&b, load_param8(&b, const_copy), 0);
575         nir_ssa_def *const_copy_size = load_param16(&b, const_copy_size);
576         nir_ssa_def *const_copy_words = nir_ushr_imm(&b, const_copy_size, 2);
577         const_copy_words = nir_bcsel(&b, const_copy, const_copy_words, nir_imm_int(&b, 0));
578
579         nir_variable *idx =
580            nir_variable_create(b.shader, nir_var_shader_temp, glsl_uint_type(), "const_copy_idx");
581         nir_store_var(&b, idx, nir_imm_int(&b, 0), 0x1);
582
583         nir_ssa_def *param_buf = radv_meta_load_descriptor(&b, 0, DGC_DESC_PARAMS);
584         nir_ssa_def *param_offset = nir_imul_imm(&b, vbo_cnt, 24);
585         nir_ssa_def *param_offset_offset = nir_iadd_imm(&b, param_offset, MESA_VULKAN_SHADER_STAGES * 12);
586         nir_ssa_def *param_const_offset = nir_iadd_imm(&b, param_offset, MAX_PUSH_CONSTANTS_SIZE + MESA_VULKAN_SHADER_STAGES * 12);
587         nir_push_loop(&b);
588         {
589            nir_ssa_def *cur_idx = nir_load_var(&b, idx);
590            nir_push_if(&b, nir_uge(&b, cur_idx, const_copy_words));
591            {
592               nir_jump(&b, nir_jump_break);
593            }
594            nir_pop_if(&b, NULL);
595
596            nir_variable *data = nir_variable_create(b.shader, nir_var_shader_temp, glsl_uint_type(), "copy_data");
597
598            nir_ssa_def *update = nir_iand(&b, push_const_mask, nir_ishl(&b, nir_imm_int64(&b, 1), cur_idx));
599            update = nir_bcsel(
600               &b, nir_ult(&b, cur_idx, nir_imm_int(&b, 64 /* bits in push_const_mask */)), update,
601               nir_imm_int64(&b, 0));
602
603            nir_push_if(&b, nir_ine_imm(&b, update, 0));
604            {
605               nir_ssa_def *stream_offset = nir_load_ssbo(
606                  &b, 1, 32, param_buf,
607                  nir_iadd(&b, param_offset_offset, nir_ishl_imm(&b, cur_idx, 2)), .align_mul = 4);
608               nir_ssa_def *new_data = nir_load_ssbo(&b, 1, 32, stream_buf, nir_iadd(&b, stream_base, stream_offset), .align_mul = 4);
609               nir_store_var(&b, data, new_data, 0x1);
610            }
611            nir_push_else(&b, NULL);
612            {
613               nir_store_var(
614                  &b, data,
615                  nir_load_ssbo(&b, 1, 32, param_buf,
616                                nir_iadd(&b, param_const_offset, nir_ishl_imm(&b, cur_idx, 2)),
617                                .align_mul = 4),
618                  0x1);
619            }
620            nir_pop_if(&b, NULL);
621
622            nir_store_ssbo(
623               &b, nir_load_var(&b, data), cmd_buf.descriptor,
624               nir_iadd(&b, nir_load_var(&b, upload_offset), nir_ishl_imm(&b, cur_idx, 2)),
625               .access = ACCESS_NON_READABLE);
626
627            nir_store_var(&b, idx, nir_iadd_imm(&b, cur_idx, 1), 0x1);
628         }
629         nir_pop_loop(&b, NULL);
630
631         nir_variable *shader_idx =
632            nir_variable_create(b.shader, nir_var_shader_temp, glsl_uint_type(), "shader_idx");
633         nir_store_var(&b, shader_idx, nir_imm_int(&b, 0), 0x1);
634         nir_ssa_def *shader_cnt = load_param16(&b, push_constant_shader_cnt);
635
636         nir_push_loop(&b);
637         {
638            nir_ssa_def *cur_shader_idx = nir_load_var(&b, shader_idx);
639            nir_push_if(&b, nir_uge(&b, cur_shader_idx, shader_cnt));
640            {
641               nir_jump(&b, nir_jump_break);
642            }
643            nir_pop_if(&b, NULL);
644
645            nir_ssa_def *reg_info = nir_load_ssbo(&b, 3, 32, param_buf, nir_iadd(&b, param_offset, nir_imul_imm(&b, cur_shader_idx, 12)), .align_mul = 4);
646            nir_ssa_def *upload_sgpr = nir_ubfe(&b, nir_channel(&b, reg_info, 0), nir_imm_int(&b, 0), nir_imm_int(&b, 16));
647            nir_ssa_def *inline_sgpr = nir_ubfe(&b, nir_channel(&b, reg_info, 0), nir_imm_int(&b, 16), nir_imm_int(&b, 16));
648            nir_ssa_def *inline_mask = nir_pack_64_2x32(&b, nir_channels(&b, reg_info, 0x6));
649
650            nir_push_if(&b, nir_ine_imm(&b, upload_sgpr, 0));
651            {
652               nir_ssa_def *pkt[3] = {
653                  nir_imm_int(&b, PKT3(PKT3_SET_SH_REG, 1, 0)),
654                  upload_sgpr,
655                  nir_iadd(&b, load_param32(&b, upload_addr), nir_load_var(&b, upload_offset))
656               };
657
658               dgc_emit(&b, &cmd_buf, nir_vec(&b, pkt, 3));
659            }
660            nir_pop_if(&b, NULL);
661
662            nir_push_if(&b, nir_ine_imm(&b, inline_sgpr, 0));
663            {
664               nir_ssa_def *inline_len = nir_bit_count(&b, inline_mask);
665               nir_store_var(&b, idx, nir_imm_int(&b, 0), 0x1);
666
667               nir_ssa_def *pkt[2] = {
668                  nir_pkt3(&b, PKT3_SET_SH_REG, inline_len),
669                  inline_sgpr
670               };
671
672               dgc_emit(&b, &cmd_buf, nir_vec(&b, pkt, 2));
673
674               nir_push_loop(&b);
675               {
676                  nir_ssa_def *cur_idx = nir_load_var(&b, idx);
677                  nir_push_if(&b,
678                              nir_uge(&b, cur_idx, nir_imm_int(&b, 64 /* bits in inline_mask */)));
679                  {
680                     nir_jump(&b, nir_jump_break);
681                  }
682                  nir_pop_if(&b, NULL);
683
684                  nir_ssa_def *l = nir_ishl(&b, nir_imm_int64(&b, 1), cur_idx);
685                  nir_push_if(&b, nir_ieq_imm(&b, nir_iand(&b, l, inline_mask), 0));
686                  {
687                     nir_store_var(&b, idx, nir_iadd_imm(&b, cur_idx, 1), 0x1);
688                     nir_jump(&b, nir_jump_continue);
689                  }
690                  nir_pop_if(&b, NULL);
691
692                  nir_variable *data = nir_variable_create(b.shader, nir_var_shader_temp, glsl_uint_type(), "copy_data");
693
694                  nir_ssa_def *update = nir_iand(&b, push_const_mask, nir_ishl(&b, nir_imm_int64(&b, 1), cur_idx));
695                  update = nir_bcsel(
696                     &b, nir_ult(&b, cur_idx, nir_imm_int(&b, 64 /* bits in push_const_mask */)),
697                     update, nir_imm_int64(&b, 0));
698
699                  nir_push_if(&b, nir_ine_imm(&b, update, 0));
700                  {
701                     nir_ssa_def *stream_offset = nir_load_ssbo(
702                        &b, 1, 32, param_buf,
703                        nir_iadd(&b, param_offset_offset, nir_ishl_imm(&b, cur_idx, 2)),
704                        .align_mul = 4);
705                     nir_ssa_def *new_data = nir_load_ssbo(&b, 1, 32, stream_buf, nir_iadd(&b, stream_base, stream_offset), .align_mul = 4);
706                     nir_store_var(&b, data, new_data, 0x1);
707                  }
708                  nir_push_else(&b, NULL);
709                  {
710                     nir_store_var(&b, data,
711                                   nir_load_ssbo(&b, 1, 32, param_buf,
712                                                 nir_iadd(&b, param_const_offset,
713                                                          nir_ishl_imm(&b, cur_idx, 2)),
714                                                 .align_mul = 4),
715                                   0x1);
716                  }
717                  nir_pop_if(&b, NULL);
718
719                  dgc_emit(&b, &cmd_buf, nir_load_var(&b, data));
720
721                  nir_store_var(&b, idx, nir_iadd_imm(&b, cur_idx, 1), 0x1);
722               }
723               nir_pop_loop(&b, NULL);
724            }
725            nir_pop_if(&b, NULL);
726            nir_store_var(&b, shader_idx, nir_iadd_imm(&b, cur_shader_idx, 1), 0x1);
727         }
728         nir_pop_loop(&b, NULL);
729      }
730      nir_pop_if(&b, 0);
731
732      nir_push_if(&b, nir_ieq_imm(&b, load_param16(&b, emit_state), 1));
733      {
734         nir_ssa_def *stream_offset = nir_iadd(&b, load_param16(&b, state_offset), stream_base);
735         nir_ssa_def *state = nir_load_ssbo(&b, 1, 32, stream_buf, stream_offset, .align_mul = 4);
736         state = nir_iand_imm(&b, state, 1);
737
738         nir_ssa_def *reg =
739            nir_ior(&b, load_param32(&b, pa_su_sc_mode_cntl_base), nir_ishl_imm(&b, state, 2));
740
741         nir_ssa_def *cmd_values[3] = {
742            nir_imm_int(&b, PKT3(PKT3_SET_CONTEXT_REG, 1, 0)),
743            nir_imm_int(&b, (R_028814_PA_SU_SC_MODE_CNTL - SI_CONTEXT_REG_OFFSET) >> 2), reg};
744
745         dgc_emit(&b, &cmd_buf, nir_vec(&b, cmd_values, 3));
746      }
747      nir_pop_if(&b, NULL);
748
749      nir_ssa_def *scissor_count = load_param16(&b, scissor_count);
750      nir_push_if(&b, nir_ine_imm(&b, scissor_count, 0));
751      {
752         nir_ssa_def *scissor_offset = load_param16(&b, scissor_offset);
753         nir_variable *idx = nir_variable_create(b.shader, nir_var_shader_temp, glsl_uint_type(),
754                                                 "scissor_copy_idx");
755         nir_store_var(&b, idx, nir_imm_int(&b, 0), 1);
756
757         nir_push_loop(&b);
758         {
759            nir_ssa_def *cur_idx = nir_load_var(&b, idx);
760            nir_push_if(&b, nir_uge(&b, cur_idx, scissor_count));
761            {
762               nir_jump(&b, nir_jump_break);
763            }
764            nir_pop_if(&b, NULL);
765
766            nir_ssa_def *param_buf = radv_meta_load_descriptor(&b, 0, DGC_DESC_PARAMS);
767            nir_ssa_def *param_offset = nir_iadd(&b, scissor_offset, nir_imul_imm(&b, cur_idx, 4));
768            nir_ssa_def *value = nir_load_ssbo(&b, 1, 32, param_buf, param_offset, .align_mul = 4);
769
770            dgc_emit(&b, &cmd_buf, value);
771
772            nir_store_var(&b, idx, nir_iadd_imm(&b, cur_idx, 1), 1);
773         }
774         nir_pop_loop(&b, NULL);
775      }
776      nir_pop_if(&b, NULL);
777
778      nir_push_if(&b, nir_ieq_imm(&b, load_param16(&b, draw_indexed), 0));
779      {
780         nir_ssa_def *vtx_base_sgpr = load_param16(&b, vtx_base_sgpr);
781         nir_ssa_def *stream_offset =
782            nir_iadd(&b, load_param16(&b, draw_params_offset), stream_base);
783
784         nir_ssa_def *draw_data0 =
785            nir_load_ssbo(&b, 4, 32, stream_buf, stream_offset, .align_mul = 4);
786         nir_ssa_def *vertex_count = nir_channel(&b, draw_data0, 0);
787         nir_ssa_def *instance_count = nir_channel(&b, draw_data0, 1);
788         nir_ssa_def *vertex_offset = nir_channel(&b, draw_data0, 2);
789         nir_ssa_def *first_instance = nir_channel(&b, draw_data0, 3);
790
791         nir_push_if(&b, nir_iand(&b, nir_ine_imm(&b, vertex_count, 0), nir_ine_imm(&b, instance_count, 0)));
792         {
793            dgc_emit_userdata_vertex(&b, &cmd_buf, vtx_base_sgpr, vertex_offset, first_instance, sequence_id);
794            dgc_emit_instance_count(&b, &cmd_buf, instance_count);
795            dgc_emit_draw(&b, &cmd_buf, vertex_count);
796         }
797         nir_pop_if(&b, 0);
798      }
799      nir_push_else(&b, NULL);
800      {
801         nir_variable *index_size_var =
802            nir_variable_create(b.shader, nir_var_shader_temp, glsl_uint_type(), "index_size");
803         nir_store_var(&b, index_size_var, load_param16(&b, base_index_size), 0x1);
804         nir_variable *max_index_count_var =
805            nir_variable_create(b.shader, nir_var_shader_temp, glsl_uint_type(), "max_index_count");
806         nir_store_var(&b, max_index_count_var, load_param32(&b, max_index_count), 0x1);
807
808         nir_ssa_def *bind_index_buffer = nir_ieq_imm(&b, nir_load_var(&b, index_size_var), 0);
809         nir_push_if(&b, bind_index_buffer);
810         {
811            nir_ssa_def *index_stream_offset =
812               nir_iadd(&b, load_param16(&b, index_buffer_offset), stream_base);
813            nir_ssa_def *data =
814               nir_load_ssbo(&b, 4, 32, stream_buf, index_stream_offset, .align_mul = 4);
815
816            nir_ssa_def *vk_index_type = nir_channel(&b, data, 3);
817            nir_ssa_def *index_type = nir_bcsel(
818               &b, nir_ieq(&b, vk_index_type, load_param32(&b, ibo_type_32)),
819               nir_imm_int(&b, V_028A7C_VGT_INDEX_32), nir_imm_int(&b, V_028A7C_VGT_INDEX_16));
820            index_type = nir_bcsel(&b, nir_ieq(&b, vk_index_type, load_param32(&b, ibo_type_8)),
821                                   nir_imm_int(&b, V_028A7C_VGT_INDEX_8), index_type);
822
823            nir_ssa_def *index_size = nir_iand_imm(
824               &b, nir_ushr(&b, nir_imm_int(&b, 0x142), nir_imul_imm(&b, index_type, 4)), 0xf);
825            nir_store_var(&b, index_size_var, index_size, 0x1);
826
827            nir_ssa_def *max_index_count = nir_udiv(&b, nir_channel(&b, data, 2), index_size);
828            nir_store_var(&b, max_index_count_var, max_index_count, 0x1);
829
830            nir_ssa_def *cmd_values[3 + 2 + 3];
831
832            if (dev->physical_device->rad_info.gfx_level >= GFX9) {
833               unsigned opcode = PKT3_SET_UCONFIG_REG_INDEX;
834               if (dev->physical_device->rad_info.gfx_level < GFX9 ||
835                   (dev->physical_device->rad_info.gfx_level == GFX9 &&
836                    dev->physical_device->rad_info.me_fw_version < 26))
837                  opcode = PKT3_SET_UCONFIG_REG;
838               cmd_values[0] = nir_imm_int(&b, PKT3(opcode, 1, 0));
839               cmd_values[1] = nir_imm_int(
840                  &b, (R_03090C_VGT_INDEX_TYPE - CIK_UCONFIG_REG_OFFSET) >> 2 | (2u << 28));
841               cmd_values[2] = index_type;
842            } else {
843               cmd_values[0] = nir_imm_int(&b, PKT3(PKT3_INDEX_TYPE, 0, 0));
844               cmd_values[1] = index_type;
845               cmd_values[2] = nir_imm_int(&b, PKT3_NOP_PAD);
846            }
847
848            nir_ssa_def *addr_upper = nir_channel(&b, data, 1);
849            addr_upper = nir_ishr_imm(&b, nir_ishl_imm(&b, addr_upper, 16), 16);
850
851            cmd_values[3] = nir_imm_int(&b, PKT3(PKT3_INDEX_BASE, 1, 0));
852            cmd_values[4] = nir_channel(&b, data, 0);
853            cmd_values[5] = addr_upper;
854            cmd_values[6] = nir_imm_int(&b, PKT3(PKT3_INDEX_BUFFER_SIZE, 0, 0));
855            cmd_values[7] = max_index_count;
856
857            dgc_emit(&b, &cmd_buf, nir_vec(&b, cmd_values, 8));
858         }
859         nir_pop_if(&b, NULL);
860
861         nir_ssa_def *index_size = nir_load_var(&b, index_size_var);
862         nir_ssa_def *max_index_count = nir_load_var(&b, max_index_count_var);
863         nir_ssa_def *vtx_base_sgpr = load_param16(&b, vtx_base_sgpr);
864         nir_ssa_def *stream_offset =
865            nir_iadd(&b, load_param16(&b, draw_params_offset), stream_base);
866
867         index_size =
868            nir_bcsel(&b, bind_index_buffer, nir_load_var(&b, index_size_var), index_size);
869         max_index_count = nir_bcsel(&b, bind_index_buffer, nir_load_var(&b, max_index_count_var),
870                                     max_index_count);
871         nir_ssa_def *draw_data0 =
872            nir_load_ssbo(&b, 4, 32, stream_buf, stream_offset, .align_mul = 4);
873         nir_ssa_def *draw_data1 = nir_load_ssbo(
874            &b, 1, 32, stream_buf, nir_iadd_imm(&b, stream_offset, 16), .align_mul = 4);
875         nir_ssa_def *index_count = nir_channel(&b, draw_data0, 0);
876         nir_ssa_def *instance_count = nir_channel(&b, draw_data0, 1);
877         nir_ssa_def *first_index = nir_channel(&b, draw_data0, 2);
878         nir_ssa_def *vertex_offset = nir_channel(&b, draw_data0, 3);
879         nir_ssa_def *first_instance = nir_channel(&b, draw_data1, 0);
880
881         nir_push_if(&b, nir_iand(&b, nir_ine_imm(&b, index_count, 0), nir_ine_imm(&b, instance_count, 0)));
882         {
883            dgc_emit_userdata_vertex(&b, &cmd_buf, vtx_base_sgpr, vertex_offset, first_instance, sequence_id);
884            dgc_emit_instance_count(&b, &cmd_buf, instance_count);
885            dgc_emit_draw_indexed(&b, &cmd_buf, first_index, index_count,
886                                       max_index_count);
887         }
888         nir_pop_if(&b, 0);
889      }
890      nir_pop_if(&b, NULL);
891
892      /* Pad the cmdbuffer if we did not use the whole stride */
893      nir_push_if(&b, nir_ine(&b, nir_load_var(&b, cmd_buf.offset), cmd_buf_end));
894      {
895         nir_ssa_def *cnt = nir_isub(&b, cmd_buf_end, nir_load_var(&b, cmd_buf.offset));
896         cnt = nir_ushr_imm(&b, cnt, 2);
897         cnt = nir_iadd_imm(&b, cnt, -2);
898         nir_ssa_def *pkt = nir_pkt3(&b, PKT3_NOP, cnt);
899
900         dgc_emit(&b, &cmd_buf, pkt);
901      }
902      nir_pop_if(&b, NULL);
903   }
904   nir_pop_if(&b, NULL);
905
906   build_dgc_buffer_tail(&b, sequence_count);
907   return b.shader;
908}
909
910void
911radv_device_finish_dgc_prepare_state(struct radv_device *device)
912{
913   radv_DestroyPipeline(radv_device_to_handle(device), device->meta_state.dgc_prepare.pipeline,
914                        &device->meta_state.alloc);
915   radv_DestroyPipelineLayout(radv_device_to_handle(device),
916                              device->meta_state.dgc_prepare.p_layout, &device->meta_state.alloc);
917   device->vk.dispatch_table.DestroyDescriptorSetLayout(radv_device_to_handle(device),
918                                                        device->meta_state.dgc_prepare.ds_layout,
919                                                        &device->meta_state.alloc);
920}
921
922VkResult
923radv_device_init_dgc_prepare_state(struct radv_device *device)
924{
925   VkResult result;
926   nir_shader *cs = build_dgc_prepare_shader(device);
927
928   VkDescriptorSetLayoutCreateInfo ds_create_info = {
929      .sType = VK_STRUCTURE_TYPE_DESCRIPTOR_SET_LAYOUT_CREATE_INFO,
930      .flags = VK_DESCRIPTOR_SET_LAYOUT_CREATE_PUSH_DESCRIPTOR_BIT_KHR,
931      .bindingCount = DGC_NUM_DESCS,
932      .pBindings = (VkDescriptorSetLayoutBinding[]){
933         {.binding = DGC_DESC_STREAM,
934          .descriptorType = VK_DESCRIPTOR_TYPE_STORAGE_BUFFER,
935          .descriptorCount = 1,
936          .stageFlags = VK_SHADER_STAGE_COMPUTE_BIT,
937          .pImmutableSamplers = NULL},
938         {.binding = DGC_DESC_PREPARE,
939          .descriptorType = VK_DESCRIPTOR_TYPE_STORAGE_BUFFER,
940          .descriptorCount = 1,
941          .stageFlags = VK_SHADER_STAGE_COMPUTE_BIT,
942          .pImmutableSamplers = NULL},
943         {.binding = DGC_DESC_PARAMS,
944          .descriptorType = VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER,
945          .descriptorCount = 1,
946          .stageFlags = VK_SHADER_STAGE_COMPUTE_BIT,
947          .pImmutableSamplers = NULL},
948         {.binding = DGC_DESC_COUNT,
949          .descriptorType = VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER,
950          .descriptorCount = 1,
951          .stageFlags = VK_SHADER_STAGE_COMPUTE_BIT,
952          .pImmutableSamplers = NULL},
953      }};
954
955   result = radv_CreateDescriptorSetLayout(radv_device_to_handle(device), &ds_create_info,
956                                           &device->meta_state.alloc,
957                                           &device->meta_state.dgc_prepare.ds_layout);
958   if (result != VK_SUCCESS)
959      goto cleanup;
960
961   const VkPipelineLayoutCreateInfo leaf_pl_create_info = {
962      .sType = VK_STRUCTURE_TYPE_PIPELINE_LAYOUT_CREATE_INFO,
963      .setLayoutCount = 1,
964      .pSetLayouts = &device->meta_state.dgc_prepare.ds_layout,
965      .pushConstantRangeCount = 1,
966      .pPushConstantRanges =
967         &(VkPushConstantRange){VK_SHADER_STAGE_COMPUTE_BIT, 0, sizeof(struct radv_dgc_params)},
968   };
969
970   result = radv_CreatePipelineLayout(radv_device_to_handle(device), &leaf_pl_create_info,
971                                      &device->meta_state.alloc,
972                                      &device->meta_state.dgc_prepare.p_layout);
973   if (result != VK_SUCCESS)
974      goto cleanup;
975
976   VkPipelineShaderStageCreateInfo shader_stage = {
977      .sType = VK_STRUCTURE_TYPE_PIPELINE_SHADER_STAGE_CREATE_INFO,
978      .stage = VK_SHADER_STAGE_COMPUTE_BIT,
979      .module = vk_shader_module_handle_from_nir(cs),
980      .pName = "main",
981      .pSpecializationInfo = NULL,
982   };
983
984   VkComputePipelineCreateInfo pipeline_info = {
985      .sType = VK_STRUCTURE_TYPE_COMPUTE_PIPELINE_CREATE_INFO,
986      .stage = shader_stage,
987      .flags = 0,
988      .layout = device->meta_state.dgc_prepare.p_layout,
989   };
990
991   result = radv_CreateComputePipelines(
992      radv_device_to_handle(device), radv_pipeline_cache_to_handle(&device->meta_state.cache), 1,
993      &pipeline_info, &device->meta_state.alloc, &device->meta_state.dgc_prepare.pipeline);
994   if (result != VK_SUCCESS)
995      goto cleanup;
996
997cleanup:
998   ralloc_free(cs);
999   return result;
1000}
1001
1002VkResult
1003radv_CreateIndirectCommandsLayoutNV(VkDevice _device,
1004                                    const VkIndirectCommandsLayoutCreateInfoNV *pCreateInfo,
1005                                    const VkAllocationCallbacks *pAllocator,
1006                                    VkIndirectCommandsLayoutNV *pIndirectCommandsLayout)
1007{
1008   RADV_FROM_HANDLE(radv_device, device, _device);
1009   struct radv_indirect_command_layout *layout;
1010
1011   size_t size =
1012      sizeof(*layout) + pCreateInfo->tokenCount * sizeof(VkIndirectCommandsLayoutTokenNV);
1013
1014   layout =
1015      vk_zalloc2(&device->vk.alloc, pAllocator, size, alignof(struct radv_indirect_command_layout),
1016                VK_SYSTEM_ALLOCATION_SCOPE_OBJECT);
1017   if (!layout)
1018      return vk_error(device, VK_ERROR_OUT_OF_HOST_MEMORY);
1019
1020   vk_object_base_init(&device->vk, &layout->base, VK_OBJECT_TYPE_INDIRECT_COMMANDS_LAYOUT_NV);
1021
1022   layout->input_stride = pCreateInfo->pStreamStrides[0];
1023   layout->token_count = pCreateInfo->tokenCount;
1024   typed_memcpy(layout->tokens, pCreateInfo->pTokens, pCreateInfo->tokenCount);
1025
1026   layout->ibo_type_32 = VK_INDEX_TYPE_UINT32;
1027   layout->ibo_type_8 = VK_INDEX_TYPE_UINT8_EXT;
1028
1029   for (unsigned i = 0; i < pCreateInfo->tokenCount; ++i) {
1030      switch (pCreateInfo->pTokens[i].tokenType) {
1031      case VK_INDIRECT_COMMANDS_TOKEN_TYPE_DRAW_NV:
1032         layout->draw_params_offset = pCreateInfo->pTokens[i].offset;
1033         break;
1034      case VK_INDIRECT_COMMANDS_TOKEN_TYPE_DRAW_INDEXED_NV:
1035         layout->indexed = true;
1036         layout->draw_params_offset = pCreateInfo->pTokens[i].offset;
1037         break;
1038      case VK_INDIRECT_COMMANDS_TOKEN_TYPE_INDEX_BUFFER_NV:
1039         layout->binds_index_buffer = true;
1040         layout->index_buffer_offset = pCreateInfo->pTokens[i].offset;
1041         /* 16-bit is implied if we find no match. */
1042         for (unsigned j = 0; j < pCreateInfo->pTokens[i].indexTypeCount; j++) {
1043            if (pCreateInfo->pTokens[i].pIndexTypes[j] == VK_INDEX_TYPE_UINT32)
1044               layout->ibo_type_32 = pCreateInfo->pTokens[i].pIndexTypeValues[j];
1045            else if (pCreateInfo->pTokens[i].pIndexTypes[j] == VK_INDEX_TYPE_UINT8_EXT)
1046               layout->ibo_type_8 = pCreateInfo->pTokens[i].pIndexTypeValues[j];
1047         }
1048         break;
1049      case VK_INDIRECT_COMMANDS_TOKEN_TYPE_VERTEX_BUFFER_NV:
1050         layout->bind_vbo_mask |= 1u << pCreateInfo->pTokens[i].vertexBindingUnit;
1051         layout->vbo_offsets[pCreateInfo->pTokens[i].vertexBindingUnit] =
1052            pCreateInfo->pTokens[i].offset;
1053         if (pCreateInfo->pTokens[i].vertexDynamicStride)
1054            layout->vbo_offsets[pCreateInfo->pTokens[i].vertexBindingUnit] |= DGC_DYNAMIC_STRIDE;
1055         break;
1056      case VK_INDIRECT_COMMANDS_TOKEN_TYPE_PUSH_CONSTANT_NV:
1057         for (unsigned j = pCreateInfo->pTokens[i].pushconstantOffset / 4, k = 0;
1058              k < pCreateInfo->pTokens[i].pushconstantSize / 4; ++j, ++k) {
1059            layout->push_constant_mask |= 1ull << j;
1060            layout->push_constant_offsets[j] = pCreateInfo->pTokens[i].offset + k * 4;
1061         }
1062         break;
1063      case VK_INDIRECT_COMMANDS_TOKEN_TYPE_STATE_FLAGS_NV:
1064         layout->binds_state = true;
1065         layout->state_offset = pCreateInfo->pTokens[i].offset;
1066         break;
1067      default:
1068         unreachable("Unhandled token type");
1069      }
1070   }
1071   if (!layout->indexed)
1072      layout->binds_index_buffer = false;
1073
1074   *pIndirectCommandsLayout = radv_indirect_command_layout_to_handle(layout);
1075   return VK_SUCCESS;
1076}
1077
1078void
1079radv_DestroyIndirectCommandsLayoutNV(VkDevice _device,
1080                                     VkIndirectCommandsLayoutNV indirectCommandsLayout,
1081                                     const VkAllocationCallbacks *pAllocator)
1082{
1083   RADV_FROM_HANDLE(radv_device, device, _device);
1084   VK_FROM_HANDLE(radv_indirect_command_layout, layout, indirectCommandsLayout);
1085
1086   if (!layout)
1087      return;
1088
1089   vk_object_base_finish(&layout->base);
1090   vk_free2(&device->vk.alloc, pAllocator, layout);
1091}
1092
1093void
1094radv_GetGeneratedCommandsMemoryRequirementsNV(
1095   VkDevice _device, const VkGeneratedCommandsMemoryRequirementsInfoNV *pInfo,
1096   VkMemoryRequirements2 *pMemoryRequirements)
1097{
1098   RADV_FROM_HANDLE(radv_device, device, _device);
1099   VK_FROM_HANDLE(radv_indirect_command_layout, layout, pInfo->indirectCommandsLayout);
1100   VK_FROM_HANDLE(radv_pipeline, pipeline, pInfo->pipeline);
1101   struct radv_graphics_pipeline *graphics_pipeline = radv_pipeline_to_graphics(pipeline);
1102
1103   uint32_t cmd_stride, upload_stride;
1104   radv_get_sequence_size(layout, graphics_pipeline, &cmd_stride, &upload_stride);
1105
1106   VkDeviceSize cmd_buf_size = radv_align_cmdbuf_size(cmd_stride * pInfo->maxSequencesCount);
1107   VkDeviceSize upload_buf_size = upload_stride * pInfo->maxSequencesCount;
1108
1109   pMemoryRequirements->memoryRequirements.memoryTypeBits =
1110      device->physical_device->memory_types_32bit;
1111   pMemoryRequirements->memoryRequirements.alignment = 256;
1112   pMemoryRequirements->memoryRequirements.size =
1113      align(cmd_buf_size + upload_buf_size, pMemoryRequirements->memoryRequirements.alignment);
1114}
1115
1116void
1117radv_CmdPreprocessGeneratedCommandsNV(VkCommandBuffer commandBuffer,
1118                                      const VkGeneratedCommandsInfoNV *pGeneratedCommandsInfo)
1119{
1120   /* Can't do anything here as we depend on some dynamic state in some cases that we only know
1121    * at draw time. */
1122}
1123
1124/* Always need to call this directly before draw due to dependence on bound state. */
1125void
1126radv_prepare_dgc(struct radv_cmd_buffer *cmd_buffer,
1127                 const VkGeneratedCommandsInfoNV *pGeneratedCommandsInfo)
1128{
1129   VK_FROM_HANDLE(radv_indirect_command_layout, layout,
1130                  pGeneratedCommandsInfo->indirectCommandsLayout);
1131   VK_FROM_HANDLE(radv_pipeline, pipeline, pGeneratedCommandsInfo->pipeline);
1132   VK_FROM_HANDLE(radv_buffer, prep_buffer, pGeneratedCommandsInfo->preprocessBuffer);
1133   struct radv_graphics_pipeline *graphics_pipeline = radv_pipeline_to_graphics(pipeline);
1134   struct radv_meta_saved_state saved_state;
1135   struct radv_buffer token_buffer;
1136
1137   uint32_t cmd_stride, upload_stride;
1138   radv_get_sequence_size(layout, graphics_pipeline, &cmd_stride, &upload_stride);
1139
1140   unsigned cmd_buf_size =
1141      radv_align_cmdbuf_size(cmd_stride * pGeneratedCommandsInfo->sequencesCount);
1142
1143   unsigned vb_size = layout->bind_vbo_mask ? util_bitcount(graphics_pipeline->vb_desc_usage_mask) * 24 : 0;
1144   unsigned const_size = graphics_pipeline->base.push_constant_size +
1145                         16 * graphics_pipeline->base.dynamic_offset_count +
1146                         sizeof(layout->push_constant_offsets) + ARRAY_SIZE(graphics_pipeline->base.shaders) * 12;
1147   if (!layout->push_constant_mask)
1148      const_size = 0;
1149
1150   unsigned scissor_size = (8 + 2 * cmd_buffer->state.dynamic.scissor.count) * 4;
1151   if (!layout->binds_state || !cmd_buffer->state.dynamic.scissor.count ||
1152       !cmd_buffer->device->physical_device->rad_info.has_gfx9_scissor_bug)
1153      scissor_size = 0;
1154
1155   unsigned upload_size = MAX2(vb_size + const_size + scissor_size, 16);
1156
1157   void *upload_data;
1158   unsigned upload_offset;
1159   if (!radv_cmd_buffer_upload_alloc(cmd_buffer, upload_size, &upload_offset, &upload_data)) {
1160      cmd_buffer->record_result = VK_ERROR_OUT_OF_HOST_MEMORY;
1161      return;
1162   }
1163
1164   void *upload_data_base = upload_data;
1165
1166   radv_buffer_init(&token_buffer, cmd_buffer->device, cmd_buffer->upload.upload_bo, upload_size,
1167                    upload_offset);
1168
1169   uint64_t upload_addr = radv_buffer_get_va(prep_buffer->bo) + prep_buffer->offset +
1170                          pGeneratedCommandsInfo->preprocessOffset;
1171
1172   uint16_t vtx_base_sgpr =
1173      (cmd_buffer->state.graphics_pipeline->vtx_base_sgpr - SI_SH_REG_OFFSET) >> 2;
1174   if (cmd_buffer->state.graphics_pipeline->uses_drawid)
1175      vtx_base_sgpr |= DGC_USES_DRAWID;
1176   if (cmd_buffer->state.graphics_pipeline->uses_baseinstance)
1177      vtx_base_sgpr |= DGC_USES_BASEINSTANCE;
1178
1179   uint16_t vbo_sgpr =
1180      ((radv_lookup_user_sgpr(&graphics_pipeline->base, MESA_SHADER_VERTEX, AC_UD_VS_VERTEX_BUFFERS)->sgpr_idx * 4 +
1181        graphics_pipeline->base.user_data_0[MESA_SHADER_VERTEX]) -
1182       SI_SH_REG_OFFSET) >>
1183      2;
1184   struct radv_dgc_params params = {
1185      .cmd_buf_stride = cmd_stride,
1186      .cmd_buf_size = cmd_buf_size,
1187      .upload_addr = (uint32_t)upload_addr,
1188      .upload_stride = upload_stride,
1189      .sequence_count = pGeneratedCommandsInfo->sequencesCount,
1190      .stream_stride = layout->input_stride,
1191      .draw_indexed = layout->indexed,
1192      .draw_params_offset = layout->draw_params_offset,
1193      .base_index_size =
1194         layout->binds_index_buffer ? 0 : radv_get_vgt_index_size(cmd_buffer->state.index_type),
1195      .vtx_base_sgpr = vtx_base_sgpr,
1196      .max_index_count = cmd_buffer->state.max_index_count,
1197      .index_buffer_offset = layout->index_buffer_offset,
1198      .vbo_reg = vbo_sgpr,
1199      .ibo_type_32 = layout->ibo_type_32,
1200      .ibo_type_8 = layout->ibo_type_8,
1201      .emit_state = layout->binds_state,
1202      .pa_su_sc_mode_cntl_base = radv_get_pa_su_sc_mode_cntl(cmd_buffer) & C_028814_FACE,
1203      .state_offset = layout->state_offset,
1204   };
1205
1206   if (layout->bind_vbo_mask) {
1207      radv_write_vertex_descriptors(cmd_buffer, graphics_pipeline, true, upload_data);
1208
1209      uint32_t *vbo_info = (uint32_t *)((char *)upload_data + graphics_pipeline->vb_desc_alloc_size);
1210
1211      struct radv_shader *vs_shader = radv_get_shader(&graphics_pipeline->base, MESA_SHADER_VERTEX);
1212      const struct radv_vs_input_state *vs_state =
1213         vs_shader->info.vs.dynamic_inputs ? &cmd_buffer->state.dynamic_vs_input : NULL;
1214      uint32_t mask = graphics_pipeline->vb_desc_usage_mask;
1215      unsigned idx = 0;
1216      while (mask) {
1217         unsigned i = u_bit_scan(&mask);
1218         unsigned binding =
1219            vs_state ? cmd_buffer->state.dynamic_vs_input.bindings[i]
1220                     : (graphics_pipeline->use_per_attribute_vb_descs ? graphics_pipeline->attrib_bindings[i] : i);
1221         uint32_t attrib_end =
1222            vs_state ? vs_state->offsets[i] + vs_state->format_sizes[i] : graphics_pipeline->attrib_ends[i];
1223
1224         params.vbo_bind_mask |= ((layout->bind_vbo_mask >> binding) & 1u) << idx;
1225         vbo_info[2 * idx] = ((graphics_pipeline->use_per_attribute_vb_descs ? 1u : 0u) << 31) |
1226                             (vs_state ? vs_state->offsets[i] << 16 : 0) |
1227                             layout->vbo_offsets[binding];
1228         vbo_info[2 * idx + 1] = graphics_pipeline->attrib_index_offset[i] | (attrib_end << 16);
1229         ++idx;
1230      }
1231      params.vbo_cnt = idx | (vs_state ? DGC_DYNAMIC_VERTEX_INPUT : 0);
1232      upload_data = (char *)upload_data + vb_size;
1233   }
1234
1235   if (layout->push_constant_mask) {
1236      uint32_t *desc = upload_data;
1237      upload_data = (char *)upload_data + ARRAY_SIZE(graphics_pipeline->base.shaders) * 12;
1238
1239      unsigned idx = 0;
1240      for (unsigned i = 0; i < ARRAY_SIZE(graphics_pipeline->base.shaders); ++i) {
1241         if (!graphics_pipeline->base.shaders[i])
1242            continue;
1243
1244         struct radv_userdata_locations *locs = &graphics_pipeline->base.shaders[i]->info.user_sgprs_locs;
1245         if (locs->shader_data[AC_UD_PUSH_CONSTANTS].sgpr_idx >= 0)
1246            params.const_copy = 1;
1247
1248         if (locs->shader_data[AC_UD_PUSH_CONSTANTS].sgpr_idx >= 0 ||
1249             locs->shader_data[AC_UD_INLINE_PUSH_CONSTANTS].sgpr_idx >= 0) {
1250            unsigned upload_sgpr = 0;
1251            unsigned inline_sgpr = 0;
1252
1253            if (locs->shader_data[AC_UD_PUSH_CONSTANTS].sgpr_idx >= 0) {
1254               upload_sgpr =
1255                  (graphics_pipeline->base.user_data_0[i] + 4 * locs->shader_data[AC_UD_PUSH_CONSTANTS].sgpr_idx -
1256                   SI_SH_REG_OFFSET) >>
1257                  2;
1258            }
1259
1260            if (locs->shader_data[AC_UD_INLINE_PUSH_CONSTANTS].sgpr_idx >= 0) {
1261               inline_sgpr = (graphics_pipeline->base.user_data_0[i] +
1262                              4 * locs->shader_data[AC_UD_INLINE_PUSH_CONSTANTS].sgpr_idx -
1263                              SI_SH_REG_OFFSET) >>
1264                             2;
1265               desc[idx * 3 + 1] = graphics_pipeline->base.shaders[i]->info.inline_push_constant_mask;
1266               desc[idx * 3 + 2] = graphics_pipeline->base.shaders[i]->info.inline_push_constant_mask >> 32;
1267            }
1268            desc[idx * 3] = upload_sgpr | (inline_sgpr << 16);
1269            ++idx;
1270         }
1271      }
1272
1273      params.push_constant_shader_cnt = idx;
1274
1275      params.const_copy_size = graphics_pipeline->base.push_constant_size +
1276                               16 * graphics_pipeline->base.dynamic_offset_count;
1277      params.push_constant_mask = layout->push_constant_mask;
1278
1279      memcpy(upload_data, layout->push_constant_offsets, sizeof(layout->push_constant_offsets));
1280      upload_data = (char *)upload_data + sizeof(layout->push_constant_offsets);
1281
1282      memcpy(upload_data, cmd_buffer->push_constants, graphics_pipeline->base.push_constant_size);
1283      upload_data = (char *)upload_data + graphics_pipeline->base.push_constant_size;
1284
1285      struct radv_descriptor_state *descriptors_state =
1286         radv_get_descriptors_state(cmd_buffer, pGeneratedCommandsInfo->pipelineBindPoint);
1287      memcpy(upload_data, descriptors_state->dynamic_buffers, 16 * graphics_pipeline->base.dynamic_offset_count);
1288      upload_data = (char *)upload_data + 16 * graphics_pipeline->base.dynamic_offset_count;
1289   }
1290
1291   if (scissor_size) {
1292      params.scissor_offset = (char*)upload_data - (char*)upload_data_base;
1293      params.scissor_count = scissor_size / 4;
1294
1295      struct radeon_cmdbuf scissor_cs = {
1296         .buf = upload_data,
1297         .cdw = 0,
1298         .max_dw = scissor_size / 4
1299      };
1300
1301      radv_write_scissors(cmd_buffer, &scissor_cs);
1302      assert(scissor_cs.cdw * 4 == scissor_size);
1303      upload_data = (char *)upload_data + scissor_size;
1304   }
1305
1306   VkWriteDescriptorSet ds_writes[5];
1307   VkDescriptorBufferInfo buf_info[ARRAY_SIZE(ds_writes)];
1308   int ds_cnt = 0;
1309   buf_info[ds_cnt] = (VkDescriptorBufferInfo){.buffer = radv_buffer_to_handle(&token_buffer),
1310                                               .offset = 0,
1311                                               .range = upload_size};
1312   ds_writes[ds_cnt] = (VkWriteDescriptorSet){.sType = VK_STRUCTURE_TYPE_WRITE_DESCRIPTOR_SET,
1313                                              .dstBinding = DGC_DESC_PARAMS,
1314                                              .dstArrayElement = 0,
1315                                              .descriptorCount = 1,
1316                                              .descriptorType = VK_DESCRIPTOR_TYPE_STORAGE_BUFFER,
1317                                              .pBufferInfo = &buf_info[ds_cnt]};
1318   ++ds_cnt;
1319
1320   buf_info[ds_cnt] = (VkDescriptorBufferInfo){.buffer = pGeneratedCommandsInfo->preprocessBuffer,
1321                                               .offset = pGeneratedCommandsInfo->preprocessOffset,
1322                                               .range = pGeneratedCommandsInfo->preprocessSize};
1323   ds_writes[ds_cnt] = (VkWriteDescriptorSet){.sType = VK_STRUCTURE_TYPE_WRITE_DESCRIPTOR_SET,
1324                                              .dstBinding = DGC_DESC_PREPARE,
1325                                              .dstArrayElement = 0,
1326                                              .descriptorCount = 1,
1327                                              .descriptorType = VK_DESCRIPTOR_TYPE_STORAGE_BUFFER,
1328                                              .pBufferInfo = &buf_info[ds_cnt]};
1329   ++ds_cnt;
1330
1331   if (pGeneratedCommandsInfo->streamCount > 0) {
1332      buf_info[ds_cnt] =
1333         (VkDescriptorBufferInfo){.buffer = pGeneratedCommandsInfo->pStreams[0].buffer,
1334                                  .offset = pGeneratedCommandsInfo->pStreams[0].offset,
1335                                  .range = VK_WHOLE_SIZE};
1336      ds_writes[ds_cnt] =
1337         (VkWriteDescriptorSet){.sType = VK_STRUCTURE_TYPE_WRITE_DESCRIPTOR_SET,
1338                                .dstBinding = DGC_DESC_STREAM,
1339                                .dstArrayElement = 0,
1340                                .descriptorCount = 1,
1341                                .descriptorType = VK_DESCRIPTOR_TYPE_STORAGE_BUFFER,
1342                                .pBufferInfo = &buf_info[ds_cnt]};
1343      ++ds_cnt;
1344   }
1345
1346   if (pGeneratedCommandsInfo->sequencesCountBuffer != VK_NULL_HANDLE) {
1347      buf_info[ds_cnt] =
1348         (VkDescriptorBufferInfo){.buffer = pGeneratedCommandsInfo->sequencesCountBuffer,
1349                                  .offset = pGeneratedCommandsInfo->sequencesCountOffset,
1350                                  .range = VK_WHOLE_SIZE};
1351      ds_writes[ds_cnt] =
1352         (VkWriteDescriptorSet){.sType = VK_STRUCTURE_TYPE_WRITE_DESCRIPTOR_SET,
1353                                .dstBinding = DGC_DESC_COUNT,
1354                                .dstArrayElement = 0,
1355                                .descriptorCount = 1,
1356                                .descriptorType = VK_DESCRIPTOR_TYPE_STORAGE_BUFFER,
1357                                .pBufferInfo = &buf_info[ds_cnt]};
1358      ++ds_cnt;
1359      params.sequence_count = UINT32_MAX;
1360   }
1361
1362   radv_meta_save(
1363      &saved_state, cmd_buffer,
1364      RADV_META_SAVE_COMPUTE_PIPELINE | RADV_META_SAVE_DESCRIPTORS | RADV_META_SAVE_CONSTANTS);
1365
1366   radv_CmdBindPipeline(radv_cmd_buffer_to_handle(cmd_buffer), VK_PIPELINE_BIND_POINT_COMPUTE,
1367                        cmd_buffer->device->meta_state.dgc_prepare.pipeline);
1368
1369   radv_CmdPushConstants(radv_cmd_buffer_to_handle(cmd_buffer),
1370                         cmd_buffer->device->meta_state.dgc_prepare.p_layout,
1371                         VK_SHADER_STAGE_COMPUTE_BIT, 0, sizeof(params), &params);
1372
1373   radv_meta_push_descriptor_set(cmd_buffer, VK_PIPELINE_BIND_POINT_COMPUTE,
1374                                 cmd_buffer->device->meta_state.dgc_prepare.p_layout, 0, ds_cnt,
1375                                 ds_writes);
1376
1377   unsigned block_count = MAX2(1, round_up_u32(pGeneratedCommandsInfo->sequencesCount, 64));
1378   radv_CmdDispatch(radv_cmd_buffer_to_handle(cmd_buffer), block_count, 1, 1);
1379
1380   radv_buffer_finish(&token_buffer);
1381   radv_meta_restore(&saved_state, cmd_buffer);
1382
1383   cmd_buffer->state.flush_bits |=
1384      RADV_CMD_FLAG_CS_PARTIAL_FLUSH | RADV_CMD_FLAG_INV_VCACHE | RADV_CMD_FLAG_INV_L2;
1385}